A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a p

A single line diagram(SLD) and a purchase order of a
11/66kV switchyard of a power plant was given. In the SLD,
only one lightning arrestor(LA) was shown, but the purchase
order had need of 3 LAs. Is this correct, if yes, why?

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A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given..

Answer / sakthivel

IT IS CORRECT WE REQUIRED 3 LA IN 3 PHASE

Is This Answer Correct ?

16 Yes

2 No

A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given..

Answer / k.prakashchandra

We have 3 phase Tr ,breaker,G.O.S. but no 3 phase L.A.

Is This Answer Correct ?

2 Yes

2 No

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